Fig. 4From: Malignant phosphaturic mesenchymal tumor-ossifying fibroma-like subtype: a case report and literature reviewImmunohistochemistry. Tumor cells are immunopositive for CD68 (a), SMA (b), negative for Ki-67 (c, expression of<1%) and FGF-23 (d).(Immunohistochemical stained, original magnification × 400))Back to article page